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PCE
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CPC Subgroup
C07C 50/26

containing groups having oxygen atoms singly bound to carbon atoms

Full Title

Quinones > containing groups having oxygen atoms singly bound to carbon atoms

5 direct subcodes

Child Classifications

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  • C07C 50/28 with monocyclic quinoid structure
  • C07C 50/30 with polycyclic non-condensed quinoid structure
  • C07C 50/32 the quinoid structure being part of a condensed ring system having two rings
  • C07C 50/34 the quinoid structure being part of a condensed ring system having three rings
  • C07C 50/36 the quinoid structure being part of a condensed ring system having four or more rings

Top Applicants

Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ROCHE CH 12,683
  2. NOVARTIS CH 10,775
  3. CHINESE ACADEMY OF SCIENCES 10,619
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
  5. REGENERON PHARMACEUTICALS US 8,426
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,979
  7. LG CHEM KR 7,978
  8. HARVARD UNIVERSITY US 7,706
  9. UNIVERSITY OF CALIFORNIA US 7,455
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219